import React from "react";
export default class SiderBar extends React.Component{
    render(){
        return(
            <ul style={{background:'yellow',width:'300px'}}>
                <li>哈哈哈哈哈</li>
                <li>哈哈哈哈哈</li>
                <li>哈哈哈哈哈</li>
                <li>哈哈哈哈哈</li>
                <li>哈哈哈哈哈</li>
                <li>哈哈哈哈哈</li>
                <li>哈哈哈哈哈</li>
            </ul>
        )
    }
}